Answer:

Step-by-step explanation:
I hope this has Helped :)
Answer:
The 4th one cuz it’s a percent
Step-by-step explanation:
V= 3.14r^2h
10/2= r
5^2= 25
(3.14)(25)(6)
V=471
42n, you can't take the "n" away. The "n" means times a number, so I I write n=2, then the expression will be 42 x 2, substitute the n with a 2
Pretty simple. He needed 6.7 gallons to fill the tank. At 3.80/gallon, he spent $25.46